long trades with ma 2 and 7

[Jornada]

Hi, Peetspips, here,
I try to make this ea:
when 2 ma cross the 7 ma and is above, buy and stay in the trade till cross over the 7 again. then sell, and do opposite. 1 trade per wave. moving stop loss. ( max percentage of profit)
this make long trades possible. Who can help?

[TipsyWisdom]

I can tell you that won't be profitable alone. Will you be adding any other rules?